A football player with a mass of 110 kg runs into a stationary tackling sled that has a mass of 250 kg. Both the player and sled move together and come to rest 25 cm from the impact. If the coefficient of kinetic friction between the sled and the ground is 0.50, what was the initial speed of the football player
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A football player with a mass of 110 kg runs into a stationary tackling sled that has a mass of 250...
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